Method for preparing aluminum-magnesium-aluminum three-layer metal composite plate by prefabricating crossed corrugated interface
A technology of metal composite board and cross corrugation, which is applied in metal rolling and other directions, can solve the problems of serious texture on the base surface of magnesium board and low bonding strength of composite board
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[0047] S1. Material selection: select an AZ31B magnesium plate with a size of 100mm×30mm×3mm as the substrate, and perform heat preservation treatment before rolling in a vacuum heating furnace, with the temperature set at 400°C and the time set at 30min.
[0048] S2, the first pass of rough rolling: put the above-mentioned magnesium plate that has been heat-preserved before rolling into the two-roll rolling mill a in which the upper and lower rolls are corrugated rolls, and the magnesium plate is rolled in the first pass to obtain Corrugated magnesium plates with unidirectional corrugations on the upper and lower surfaces, such as figure 2 shown.
[0049] S3. Intermediate heat preservation treatment: The corrugated magnesium board obtained above with unidirectional corrugations on the upper and lower surfaces is subjected to intermediate heat preservation treatment in a vacuum heating furnace. The heat treatment system is consistent with the steps, the temperature is set to ...
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